Year National currency (Billions) 1995 1.382 1996 2.038 1997 2.449 1998 2.743 1999 3.309 2000 3.978 2001 4.547 2002 4.796 2003 5.458 2004 6.015 2005 6.407 2006 6.594 2007 6.027 2008 5.977 2009 8.178 2010 10.406 2011 12.845 2012 15.133 2013 21.520 2014 24.023 2015 24.720 2016 25.355 2017 25.879 2018 24.507 2019 24.040 2020 26.658 2021 29.172 2022 31.479 2023 32.983 2024 34.455 2025 35.810 2026 37.169 2027 38.533 2028 39.831 2029 40.810